Basin



FIG. 1 is a raised perspective view of a basin having mounted thereon a pair of lavatory fixtures;

FIG. 2 is a rear perspective view of the basin of the embodiment as shown in FIG. 1;

FIG. 3 is a front view of the basin of the embodiment is shown in FIG. 1;

FIG. 4 is a rear view of the basin of the embodiment as shown in FIG. 1;

FIG. 5 is a top view of the basin of the embodiment as shown in FIG. 1; and,

FIG. 6 is a side view of the basin of the embodiment as shown in FIG. 1.

Any broken lines represent environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for a basin, substantially, as shown and described. 